Ambassador, Permanent Mission of Brazil to the United Nations, New York

A graduate in Economics, Ambassador Ribeiro Viotti entered the Brazilian diplomatic service in 1976, after studying at the Rio Branco Institute, the Brazilian diplomatic academy.

While in Brasilia, she worked in trade promotion, multilateral affairs and relations with South American countries. She was also Director-General for Human Rights and Director-General for International Organizations at the Ministry of External Relations of Brazil.

She was posted twice to the Permanent Mission of Brazil to the United Nations, before becoming the first woman to occupy the position of Permanent Representative of Brazil to the UN. She also served at the Brazilian Embassy in La Paz, Bolivia, where she was the head of the economic sector. She wrote a thesis on "Natural Gas in the relations between Brazil and Bolivia", which she presented at the Course of High Level Studies at the Rio Branco Institute.